At Westonci.ca, we make it easy to get the answers you need from a community of informed and experienced contributors. Get quick and reliable solutions to your questions from a community of seasoned experts on our user-friendly platform. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A platform.

An index fossil, such as the Irish Elk, is :____________

a. the original set of fossil remains used to describe a species when it is first found.
b. a fossil with a strong stable isotope signature that can be used to calibrate the local vegetation cover.
c. the fossil remains of a species that existed during a well-established time period, to use in biostratigraphic dating.
d. the fossil of a species amenable to radiometric, and thus absolute, dating.